#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}
#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}
#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}#include<iostream>
using namespace std;
int main() {
int age;
cin>>age;
if(age<15)
cout<<0;
else if(age<24)
cout<<1;
else if(age<28)
cout<<2;
else
cout<<(age-16)/4;
return 0;
}